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/* public domain sha224 implementation based on fips180-3 */
#include "sha256.h"
#define sha224 sha256 /*struct*/
enum { SHA224_DIGEST_LENGTH = 28 };
/* reset state */
void sha224_init(void *ctx);
/* process message */
#define sha224_update sha256_update
/* get message digest */
/* state is ruined after sum, keep a copy if multiple sum is needed */
/* part of the message might be left in s, zero it if secrecy is needed */
void sha224_sum(void *ctx, uint8_t md[SHA224_DIGEST_LENGTH]);